import Vue from 'vue'
import Router from 'vue-router'
import Login from '@/components/Login'
import Home from '@/components/Home'
import Welcome from '@/components/Welcome'
import Users from '@/components/user/Users'
import Rights from '@/components/power/Rights'
import Roles from '@/components/power/Roles'
import Cate from '@/components/goods/Cate'
import Params from '@/components/goods/Params'
import List from '@/components/goods/List'
import Add from '@/components/goods/Add'
import Order from '@/components/order/Order'
import Report from '@/components/report/Report'


Vue.use(Router)

const router = new Router({
  routes: [
    {
      path:'/login',
      component:Login
    },
    {
      path: '/home',
      name: 'Home',
      component: Home,
      redirect:'/welcome',
      children:[{path:'/welcome',component:Welcome},
      {path:'/users',component:Users},
    {path:'/rights',component:Rights},
  {path:'/roles',component:Roles},
{path:'/categories',component:Cate},
{path:'/params',component:Params},
{path:'/goods',component:List},
{path:'/goods/add',component:Add},
{path:'/orders',component:Order},
{path:'/reports',component:Report}

]
    }
  ]
})


// 挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  // to 将要访问的路径
  // from代表从哪里路径跳转而来
  // next是一个函数,表示放行
  // next() 放行   next('/login')强制跳转
// 看页面是发哦是登录页面,如果是就获取token页面,如果不是,就强制跳转到登录页面
  if(to.path==='/login') return next();
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router